In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
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Two in five people in the world marry their first love.
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When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
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A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
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In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
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